为提高传统火灾模拟方法的信息化程度和数据管理能力,研究了如何将IFC标准描述的建筑构件几何形体和材料信息转换为火灾分析模型,并将火灾模拟结果存入IFC文件中.将IFC标准中的拉伸形体采用分层转化的方式转化为火灾模型,复杂的边界表达形体使用三角面片的转换方式;IFC标准中材料的转换可采用直接法或材料数据库的方式,以材料数据库作为参照库可使材料信息转换更为全面;火灾模拟结果可以组成属性集,通过反属性拓展方式与构件关联,最终存入IFC文件中.%In order to promote the information process and data utili?zation rate of traditional fire simulation method, the process of con?verting geometries and materials of IFC building components into a fire analysis model and storing the analysis results into IFC files were studied. The stretched body of IFC standard can be divided into several layers and then converted to a fire analysis model while the boundary expression body can be converted to a fire analysis model by being divided into triangular patches. Direct conversion and material library can both be used for material conversation, and using material library as reference library can have more com?prehensive material information, The fire simulation data can com? pose a set of attributes which are associated with the elements by reverse attribute expansion method, and stored in the IFC file.
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